2420273 has 4 divisors (see below), whose sum is σ = 2562660. Its totient is φ = 2277888.

The previous prime is 2420269. The next prime is 2420279. The reversal of 2420273 is 3720242.

It is a happy number.

2420273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1760929 + 659344 = 1327^2 + 812^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420273 - 2² = 2420269 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2420279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71168 + ... + 71201.

It is an arithmetic number, because the mean of its divisors is an integer number (640665).

2^2420273 is an apocalyptic number.

It is an amenable number.

2420273 is a deficient number, since it is larger than the sum of its proper divisors (142387).

2420273 is a wasteful number, since it uses less digits than its factorization.

2420273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142386.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2420273 is about 1555.7226616592. The cubic root of 2420273 is about 134.2625172266.

The spelling of 2420273 in words is "two million, four hundred twenty thousand, two hundred seventy-three".